Year 9 Mathematics
The proficiency strands understanding, fluency, problem-solving and reasoning are an integral part of mathematics content across the three content strands: number and algebra, measurement and geometry, and statistics and probability. The proficiencies …
Year 9 | Mathematics | F-10 curriculum
Elaboration ACMNA211
understanding that financial decisions can be assisted by mathematical calculations
Elaboration | ACMNA211 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMNA212
understanding that index laws apply to variables as well as numbers
Elaboration | ACMNA212 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMNA213
understanding that the distributive law can be applied to algebraic expressions as well as numbers
Elaboration | ACMNA213 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration (1) ACMNA213
understanding the relationship between expansion and factorisation and identifying algebraic factors in algebraic expressions
Elaboration (1) | ACMNA213 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMMG223
developing understanding of the relationship between the corresponding sides of similar right-angled triangles
Elaboration | ACMMG223 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMMG224
understanding the terms 'adjacent' and 'opposite' sides in a right-angled triangle
Elaboration | ACMMG224 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMMG216
understanding that partitioning composite shapes into rectangles and triangles is a strategy for solving problems involving area
Elaboration | ACMMG216 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration ACMMG222
understanding that Pythagoras' Theorem is a useful tool in determining unknown lengths in right-angled triangles and has widespread applications
Elaboration | ACMMG222 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum
Elaboration (2) ACMMG220
using the enlargement transformation to establish similarity, understanding that similarity and congruence help describe relationships between geometrical shapes and are important elements of reasoning and proof
Elaboration (2) | ACMMG220 | Content Descriptions | Year 9 | Mathematics | F-10 curriculum